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单词 dimetrodon
释义

dimetrodon in American English

(daiˈmetrəˌdɑn)
noun
an extinct carnivorous mammallike reptile, of the genus Dimetrodon, dominant in North America during the Permian Period, up to 10 ft. (3.1 m) long and usually bearing spinal sails
Word origin
[‹ NL (1878), equiv. to Gk dímetr(os) having two measures ( see dimeter) + odo᷇n tooth; appar. so named in reference to the large size of the anterior incisors relativeto the other teeth]

Word lists with
dimetrodon

dinosaur

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更新时间:2025/3/15 5:19:05